Economy-configuration 10/22 with a birch hardwood stock and blued finish. Birch was used as a cost-reduction alternative to beech during a period when Ruger was expanding its entry-level lineup. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 10 Year introduced: 1980, USA Weight: 51 oz Overall length: 37.25" Status: Discontinued Intended use: Plinking / Range Training